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#!/bin/sh | |
# Shell script to install your public key on a remote machine | |
# Takes the remote machine name as an argument. | |
# Obviously, the remote machine must accept password authentication, | |
# or one of the other keys in your ssh-agent, for this to work. | |
ID_FILE="${HOME}/.ssh/id_rsa.pub" | |
if [ "-i" = "$1" ]; then |
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=begin | |
Need to install gems heroku, newrelic_rpm | |
$ gem install heroku newrelic_rpm | |
Set your apps setting | |
app_name : heroku's app_name of auto scaling | |
license_key : NewRelic api key. You can get heroku's NewRelic admin console. "App setting" and "Agent configuration" | |
execute with cron every minutes | |
$ ruby ./adjust_dynos_with_newrelic.rb |
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Found this tip in comment here: http://www.tipb.com/2011/01/04/tipb-bug-home-button-working-iphone/ | |
1.) Open any application | |
2.) Press and hold the power button until the slide to shutdown swipe bar appears. | |
3.) Release Power button | |
4.) Press and hold Home button Lightly | |
until screen returns to icon screen |
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//http://docs.amazonwebservices.com/AmazonCloudFront/latest/DeveloperGuide/PrivateContent.html#PrivateContent_AuthExamples | |
//Amazon CloudFront Developer's Guide (API Version 2010-11-01) Using Amazon Cloudfront>Serving Private Content > Creating a Signed URL | |
package main | |
import ( | |
"os" | |
"strconv" | |
"fmt" | |
"io/ioutil" |
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#!/bin/bash | |
# | |
# Throw this in your crontab. | |
# | |
# https://twitter.com/#!/manton/status/111893189971017729 | |
# | |
[email protected] | |
CPU_THRESHOLD=1500 |
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require 'sinatra' | |
require 'redis' | |
require 'json' | |
require 'date' | |
class String | |
def &(str) | |
result = '' | |
result.force_encoding("BINARY") |
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~/code/go/master-worker % ./master-worker | |
Sat Dec 17 19:43:08 PST 2011 | |
Sat Dec 17 19:43:08 PST 2011 | |
Sat Dec 17 19:43:08 PST 2011 | |
Sat Dec 17 19:43:08 PST 2011 | |
Sat Dec 17 19:43:08 PST 2011 | |
Sat Dec 17 19:43:08 PST 2011 | |
Sat Dec 17 19:43:08 PST 2011 | |
Sat Dec 17 19:43:08 PST 2011 | |
Sat Dec 17 19:43:08 PST 2011 |
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exports |
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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#!/usr/bin/env sh | |
# Download lists, unpack and filter, write to stdout | |
curl -s https://www.iblocklist.com/lists.php \ | |
| sed -n "s/.*value='\(http:.*=bt_.*\)'.*/\1/p" \ | |
| xargs wget -O - \ | |
| gunzip \ | |
| egrep -v '^#' |
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